Novel approach for extending the depth of field of Barcode decoders by using RGB channels of information

Benjamin Milgrom, Naim Konforti, Michael A. Golub, Emanuel Marom

Research output: Contribution to journalArticlepeer-review

Abstract

A specially designed phase mask embedded in the lens assembly of an imaging system is shown to provide different response in the three major color bands, R, G and B of a detector array. Each channel provides optimal performance for different depth of field regions, such that the three channels jointly provide an imaging system with wide depth of field. The approach is useful in particular for Barcode imagers.

Original languageEnglish
Pages (from-to)17027-17039
Number of pages13
JournalOptics Express
Volume18
Issue number16
DOIs
StatePublished - 2 Aug 2010

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